DW

Donald J. Westphal

PI Pittway: 2 patents #43 of 169Top 30%
SI Standex International: 2 patents #31 of 114Top 30%
📍 South Elgin, IL: #25 of 110 inventorsTop 25%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,303,454 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4856497 Portable collapsible treatment table with drop sections 1989-08-15
4660549 Adjustable head support for chiropractic table Frank P. Kowalski 1987-04-28
D262868 Housing for a fire and smoke detector 1982-02-02
D261997 Housing for fire and smoke detector 1981-11-24